#!/bin/bash
# This program will show the user's choice

read -p "Please input(Y/N):" yn
[ "$yn" == "Y" -o "$yn" == "y" ] && echo "OK, continue" && exit 0
[ "$yn" == "N" -o "$yn" == "n" ] && echo "OK, interrupt!" && exit 0

echo "I don't know what is your choice" && exit 0
